Same conftest, but now built using gfortran-4.7.2

gfortran472.txt

Driving: /usr/local/bin/gfortran -mmacosx-version-min=10.6.8 -v -o conftest -O conftest.f -Wl,-framework -Wl,Accelerate -lm -l gfortran -shared-libgcc
Using built-in specs.
COLLECT_GCC=/usr/local/bin/gfortran
COLLECT_LTO_WRAPPER=/usr/local/Cellar/gfortran/4.7.2/gfortran/libexec/gcc/x86_64-apple-darwin10.8.0/4.7.2/lto-wrapper
Target: x86_64-apple-darwin10.8.0
Configured with: ../configure --enable-languages=fortran --prefix=/usr/local/Cellar/gfortran/4.7.2/gfortran --datarootdir=/usr/local/Cellar/gfortran/4.7.2/share --bindir=/usr/local/Cellar/gfortran/4.7.2/bin --with-system-zlib --with-gmp=/usr/local/opt/gmp --with-mpfr=/usr/local/opt/mpfr --with-mpc=/usr/local/opt/libmpc --enable-checking=release --disable-stage1-checking --disable-build-poststage1-with-cxx --disable-libstdcxx-pc --disable-nls
Thread model: posix
gcc version 4.7.2 (GCC) 
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.6.8' '-v' '-o' 'conftest' '-O' '-shared-libgcc' '-mtune=core2'
 /usr/local/Cellar/gfortran/4.7.2/gfortran/libexec/gcc/x86_64-apple-darwin10.8.0/4.7.2/f951 conftest.f -ffixed-form -fPIC -quiet -dumpbase conftest.f -mmacosx-version-min=10.6.8 -mtune=core2 -auxbase conftest -O -version -fintrinsic-modules-path /usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2/finclude -o /var/folders/Xg/Xgld4w1uEB8um4nPwY7hkU+++TI/-Tmp-//cc2K1yTx.s
GNU Fortran (GCC) version 4.7.2 (x86_64-apple-darwin10.8.0)
	compiled by GNU C version 4.7.2, GMP version 5.0.5, MPFR version 3.1.1-p2, MPC version 1.0.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
GNU Fortran (GCC) version 4.7.2 (x86_64-apple-darwin10.8.0)
	compiled by GNU C version 4.7.2, GMP version 5.0.5, MPFR version 3.1.1-p2, MPC version 1.0.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.6.8' '-v' '-o' 'conftest' '-O' '-shared-libgcc' '-mtune=core2'
 as -arch x86_64 -force_cpusubtype_ALL -o /var/folders/Xg/Xgld4w1uEB8um4nPwY7hkU+++TI/-Tmp-//cc43inWL.o /var/folders/Xg/Xgld4w1uEB8um4nPwY7hkU+++TI/-Tmp-//cc2K1yTx.s
Reading specs from /usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2/../../../libgfortran.spec
rename spec lib to liborig
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.6.8' '-v' '-o' 'conftest' '-O' '-shared-libgcc' '-mtune=core2'
COMPILER_PATH=/usr/local/Cellar/gfortran/4.7.2/gfortran/libexec/gcc/x86_64-apple-darwin10.8.0/4.7.2/:/usr/local/Cellar/gfortran/4.7.2/gfortran/libexec/gcc/x86_64-apple-darwin10.8.0/4.7.2/:/usr/local/Cellar/gfortran/4.7.2/gfortran/libexec/gcc/x86_64-apple-darwin10.8.0/:/usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2/:/usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/
LIBRARY_PATH=/usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2/:/usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2/../../../:/usr/lib/
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.6.8' '-v' '-o' 'conftest' '-O' '-shared-libgcc' '-mtune=core2'
 /usr/local/Cellar/gfortran/4.7.2/gfortran/libexec/gcc/x86_64-apple-darwin10.8.0/4.7.2/collect2 -dynamic -arch x86_64 -macosx_version_min 10.6.8 -weak_reference_mismatches non-weak -o conftest -lcrt1.10.6.o -L/usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2 -L/usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2/../../.. /var/folders/Xg/Xgld4w1uEB8um4nPwY7hkU+++TI/-Tmp-//cc43inWL.o -framework Accelerate -lgfortran -no_compact_unwind -lSystem -lgcc_ext.10.5 -lgcc -lquadmath -lm -lgcc_ext.10.5 -lgcc -lSystem -v
collect2 version 4.7.2
/usr/bin/ld -dynamic -arch x86_64 -macosx_version_min 10.6.8 -weak_reference_mismatches non-weak -o conftest -lcrt1.10.6.o -L/usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2 -L/usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2/../../.. /var/folders/Xg/Xgld4w1uEB8um4nPwY7hkU+++TI/-Tmp-//cc43inWL.o -framework Accelerate -lgfortran -no_compact_unwind -lSystem -lgcc_ext.10.5 -lgcc -lquadmath -lm -lgcc_ext.10.5 -lgcc -lSystem -v
@(#)PROGRAM:ld  PROJECT:ld64-123.2
Library search paths:
	/usr/local/Cellar/gfortran/4.7.2/gfortran/lib/gcc/x86_64-apple-darwin10.8.0/4.7.2
	/usr/local/Cellar/gfortran/4.7.2/gfortran/lib
	/usr/lib
	/usr/local/lib
Framework search paths:
	/Library/Frameworks/
	/System/Library/Frameworks/